Take 1 glass milk and add sugar to it.
Stir it for 3 minutes until the sugar dissolves.
Now take the chocolate powder and mix it with the sweet milk.
Keep on adding the chocolate powder until we get the dark chocolate colour.
Now take the biscuit packet and keeping on pouring little chocolate milk between the layers so that we get the order first the biscuit then the chocolate milk.
Keep it in the freezer for 2 hours.